The WORST episodes of Null & Peta

Every episode of Null & Peta ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Null & Peta!

Girl genius "Null" has just lost her beloved big sister "Peta" in an accident. But don't you worry! She'll just use her naturally gifted intelligence to bring her big sister back as a robot! But is her newly-revived big sister just a little different than before?

Last Updated: 10/2/2024Network: AT-XStatus: Ended

5.86

7 votes

#1 - Big Sister, Do I Have to Go to Space?

Season 1 - Episode 4 - Aired 10/25/2019

Peta tries to send Null to school, but Null has other plans... that end up getting a little out of control.

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5.86

7 votes

#2 - My Big Sister Is Dead?!

Season 1 - Episode 5 - Aired 11/1/2019

Space: the Final Frontier. Null has found herself stranded in the vicinity of an abandoned space station in Earth's orbit, unsure of how to get home. Will Peta be able to save her little sister?

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6.00

3 votes

#3 - My Big Sister's Brutal With a Hammer!

Season 1 - Episode 9 - Aired 11/29/2019

The tiny bugs that eat everything aren't so tiny anymore, as they fuse together into a giant entity intent on eating everything in it's path! Can the sisters stop it before there's nothing left to save?

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6.33

9 votes

#4 - Big Sister, Do I Have to Go to School?

Season 1 - Episode 3 - Aired 10/18/2019

Peta wants Null to attend school, but Null's advanced intellect makes her stand out from her peers. Can the siblings come to terms over Null's class attendance?

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6.36

11 votes

#5 - My Big Sister's Perfect Food!

Season 1 - Episode 2 - Aired 10/11/2019

Peta makes her specialty dish for Null's breakfast, but even before she was a robot, her cooking could be questionable. It seems like the added processing power and machine strength haven't done anything for the older sister's skills in the kitchen.

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6.50

4 votes

#6 - My Big Sister's Acting Suspicious!?

Season 1 - Episode 7 - Aired 11/15/2019

Peta seems to be up to something that might be putting her in danger, so it's up to Null to follow her incognito and discover the truth.

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6.50

4 votes

#7 - My Big Sister's Bugging Out!

Season 1 - Episode 8 - Aired 11/22/2019

It's an invasion! The town has been swarmed by tiny ravenous bugs that are intent on eating everything in sight! Will Null's scientific knowhow and Peta's robotic power be enough to exterminate the scourge?

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6.50

4 votes

#8 - Null and Peta

Season 1 - Episode 12 - Aired 12/20/2019

Null and Peta are reunited, and the sisters resume their life after the changes they've been through.

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Big Sister, What's Your Favorite Snow Cone Flavor?

6.60

5 votes

#9 - Big Sister, What's Your Favorite Snow Cone Flavor?

Season 1 - Episode 6 - Aired 11/8/2019

Null and Peta head to the beach where Null meets a new friend.

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6.67

15 votes

#10 - Sister Complete!

Season 1 - Episode 1 - Aired 10/4/2019

Null is a young genius who misses her older sister, Peta... so she decides to re-create her, using her incredible intellect. The results are not exactly what she anticipated.

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I Think of My Sister, Therefore My Sister Is

6.75

4 votes

#11 - I Think of My Sister, Therefore My Sister Is

Season 1 - Episode 10 - Aired 12/6/2019

Peta has vanished, leaving Null to wonder where her big sister has gone.

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7.40

5 votes

#12 - Big Sister, Big Sister, Big Sister!

Season 1 - Episode 11 - Aired 12/13/2019

Null has discovered something unsettling, and with Peta still missing, she's left alone to ponder the magnitude of her realization.

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